Here’s a common scenario: you have a guy friend who is starting to feel like more than a friend, but you’re not sure if he feels the same. As far as you’re concerned you have great chemistry, really enjoy each other, and get along great … everything just seems to click.

Maybe this is a guy you’ve known for a while, or maybe you just met him. Either way, it feels like more than friendship, at least to you. And you just want to know what’s going on and what his deal is and if he has real feelings for you as well.

You don’t want to come right out and ask because then you risk ruining the friendship and making things awkward. But you can’t quite shake the feeling that your romantic interest isn’t one-sided.

Should you get your hopes up? Here are 21 of the biggest signs that he definitely feels something more: